{"id":11055,"date":"2026-04-22T10:41:09","date_gmt":"2026-04-22T07:41:09","guid":{"rendered":"https:\/\/en.coeng.uobaghdad.edu.iq\/?p=11055"},"modified":"2026-04-22T10:41:09","modified_gmt":"2026-04-22T07:41:09","slug":"masters-thesis-defense-petroleum-engineering-department","status":"publish","type":"post","link":"https:\/\/en.coeng.uobaghdad.edu.iq\/?p=11055","title":{"rendered":"Master\u2019s Thesis Defense \u2013 Petroleum Engineering Department"},"content":{"rendered":"

[vc_row][vc_column][vc_column_text css=””]<\/p>\n

\u00a0<\/u><\/em><\/strong><\/p>\n

The Master\u2019s thesis of the student Abdulrahman Nizar Abdulrahman<\/em><\/strong> was discussed in the Department of Petroleum Engineering on the research entitled:<\/em><\/strong><\/p>\n

Assessing of Acid Gases Reinjection for Enhanced Oil Recovery in Ratawi Oil Field<\/strong><\/p>\n

On Tuesday 10\/2\/2026 the examination committee was composed of:<\/em><\/strong><\/p>\n

\u00a0<\/em><\/strong><\/p>\n

    \n
  1. Dr. Samira Mohammed Hamdallah<\/li>\n<\/ol>\n

    University of Baghdad \/ College of Engineering \/ Petroleum Engineering – Chair<\/p>\n

      \n
    1. Dr. Ahmed Askar Najaf<\/li>\n<\/ol>\n

      Al-Nisour University \/ College of Engineering \/ Petroleum Economics – Member<\/p>\n

        \n
      1. Prof. Dr. Ruwaida Qaisar Abdulmajeed<\/li>\n<\/ol>\n

        University of Baghdad\/ College of Engineering \/ Petroleum Engineering -Member<\/p>\n

          \n
        1. Dr. Iyad Abdulhaleem Abdulrazzaq<\/li>\n<\/ol>\n

          University of Baghdad \/ College of Engineering \/ Petroleum Engineering- Member & Supervisor<\/p>\n

            \n
          1. Prof. Dr. Dalia Abdulhadi Abdullatif<\/li>\n<\/ol>\n

            University of Baghdad \/ College of Engineering \/ Petroleum Engineering -Member & Supervisor<\/p>\n

            This thesis addressed the challenges of oil production associated with acid gases (H\u2082S and CO\u2082) by evaluating the feasibility of reinjecting these gases into the Yamama Formation in the Ratawi oilfield as a dual-purpose strategy for safe disposal and enhanced oil recovery. The study adopted an integrated approach combining petrophysical evaluation, machine-learning-based facies classification, 3D geological modeling, fluid-phase behavior analysis, compositional reservoir simulation, and geochemical reactive modeling. It examined key challenges including miscibility development, asphaltene stability, acid-gas solubility in formation water, and fluid\u2013rock interactions, in addition to assessing advanced scenarios such as separate-well injection of gas and water and the impact of water vaporization on miscible flooding performance and geochemical stability.<\/p>\n

            The results demonstrated strong reservoir heterogeneity and confirmed the effectiveness of acid gas injection particularly when combined with water injection in improving recovery efficiency, enhancing pressure support, and maintaining stable reservoir performance with minimal geochemical and operational risks. The study is distinguished as the first comprehensive work of its kind on an Iraqi field to address acid gas injection from both engineering and geochemical perspectives, offering a broader and more realistic understanding of the process. Its findings provide practical insights applicable to the future development of the Yamama Formation and similar reservoirs in southern Iraq, where increasing acid gas production necessitates efficient and sustainable management strategies.<\/p>\n

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